<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
  </head>
  <body>
    <div id="root">
      <h2>人员列表</h2>
      <input type="text" placeholder="输入姓名" v-model="keyWord" />
      <ul>
        <li v-for="person in filPersons" :key="person.id">
          {{person.name}}-{{person.gae}}-{{person.sex}}
        </li>
      </ul>
    </div>

    <script>

      
      new Vue({
        el: "#root",
        data: {
          keyWord: "",
          persons: [
            { id: "001", name: "马冬梅", age: 18, sex: "女" },
            { id: "002", name: "周冬雨", age: 20, sex: "女" },
            { id: "003", name: "周杰伦", age: 21, sex: "男" },
            { id: "004", name: "温兆伦", age: 23, sex: "男" },
          ]
        },
        computed: {
          filPersons() {
            return this.persons.filter(item => item.name.indexOf(this.keyWord) !== -1)
          }
        }
      })
       
    </script>
  </body>
</html>
